Grill for air purifier



FIG. 1 is an upper perspective view of a grill to an air purifiershowing the new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The ornamental design for a grill for an air purifier, as shown anddescribed.